The MALLORY SONALERT part SC110DR is an efficient and versatile audio signaling device. With a voltage rating of 30VDC/30VAC and 120VDC/120VAC, it is suitable for a wide range of applications. The device produces a loud and clear sound with a frequency range of 1600Hz to 2200Hz, ensuring effective alerting. Designed for easy installation, the SC110DR features a screw panel mount that allows for secure attachment to various surfaces. With a current consumption of only 21mA, this signaling device is energy-efficient and reliable.